14 May String indexOf(int ch) method in Java

The indexOf(int ch) method in Java returns the index within this string of the first occurrence of the specified character.

Syntax

Let us see the syntax,

int indexOf(int ch)

Parameters

Let us see the parameters,

• ch – character

Example

The following is an example of indexOf(int ch),

public class StudyopediaDemo {

   public static void main(String args[]) {
	 
      String message = new String("Studyopedia provides free learning content!");
      
      System.out.println(message);
      System.out.println("Index of character u: "+message.indexOf( 'u' ));
  } 
}

Output

The following is the output,